Stereophonic Systems TRIZ Cases

A low pass filter circuit in the throat microphone set attenuates high-frequency carrier signals, eliminating distortion from ultrasonic emitters.

Separate virtual audio locations on a sphere for each ear to render accurate binaural sound fields.

Solo-Mid method converts Dolby Atmos data to unit vectors, enabling accurate spatialization without speaker arrangement knowledge.

Adaptive rectangular decomposition partitions head geometry to simulate sound pressure signals and generate customized transfer functions.

Movable reflectors redirect sound waves from stationary speakers toward users, reducing energy wastage caused by fixed acoustic distribution.

RF audio signal provides phase reference for interaural difference detection, resolving synchronization complexity and power consumption trade-offs.

A pitch factor modification function maps relative velocities to frequency values, resolving contradictions between adaptability and device complexity.

An audio-video system adjusts playback parameters based on display dimensions.

Automated microphone positioning acquires sound field data, eliminating professional expertise requirements for home audio calibration.

Audio controller circuitry generates binaural sounds by adjusting data from multiple devices based on listener position.

A binauralization steering method mixes processed and unprocessed audio frames using confidence values to maintain smooth transitions.

Embedded metadata guides multi-track rendering to resolve the contradiction between spatial accuracy and computational complexity.

Dynamic sound field rotation aligns spatial audio with user direction of interest, eliminating jarring effects during movement.

A spatial audio processing system dynamically rotates rendered scenes to align with detected person sectors.

A hybrid spatialization scheme combines crosstalk cancellation and vector-based amplitude panning to deliver precise audio positioning.

A spatial audio system adjusts sound object positions relative to user head orientation to enhance voice intelligibility.

A sound source reproduction device generates virtual sound sources in real space using wave field synthesis techniques.

A multi-channel renderer calculates driving coefficients for loudspeakers using variable transition zones.

An audio processing system isolates anchor sounds to enhance loudness and intelligibility.

A multi-channel audio system adjusts speaker beam patterns to maintain consistent direct-to-reverberant ratios across different listening positions.

A statistical analysis system links ear morphology to head-related transfer functions for personalized audio rendering.

A hybrid control strategy combines energy difference maximization with pressure matching to generate multichannel audio signals in distinct sound zones.

Counter-rotating audio data compensates for device movement during capture, resolving directional mismatch between sound sources and visual panorama.

Multi-band bass management applies high-pass and low-pass filters to audio signals, reducing spatial distortion and bass build-up.

Image-based matching selects head-related transfer functions from a database, replacing time-consuming anechoic chamber measurements.

A sound field control apparatus localizes virtual audio sources in three dimensions using a virtual polyhedral solid defined by speaker positions.